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Emerald|Lab Grown|IGI

1.28ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG811633609

Shape and cutting style on the report: Emerald cut

Certificate IGI LG811633609

Diamond specifications and retailer prices

From $366 NZD
$206 USD
As of October 30, 2026
Save $2,780 NZD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,146 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.28ct lab-grown emerald diamond

This 1.28ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811633609 or 811633609. Listed at 21 retailers as of October 30, 2026, with prices from $366 to $3,146, a $2,780 spread on the same certified stone. Brilliant Earth lists it at $3,146. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811633609
Dimensions7.32 × 5.15 × 3.32 mm
L/W Ratio1.42
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.32 mm5.15 mm1.28 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811633609
Side View
Table 64.0%Crown 35.5°Girdle: MediumPavilion 39.3°Culet: LargeDepth 64.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,146 NZD|Low: $357 NZD|High: $4,834 NZD|Avg: $1,243 NZD|-34.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 3$366 NZD
Retailer 14$409 NZD
Retailer 15$425 NZD
Retailer 12$453 NZD
Retailer 9$459 NZD
Retailer 18$613 NZD
Retailer 5$767 NZD
Retailer 7$786 NZD
Retailer 2$835 NZD
Retailer 17$892 NZD
Retailer 16$1,102 NZD
Retailer 8$1,119 NZD
Retailer 13$1,457 NZD
Retailer 10$1,480 NZD
Retailer 4$1,553 NZD
Retailer 6$1,844 NZD
Retailer 19$2,154 NZD
Retailer 11$2,630 NZD
Brilliant Earth$3,146 NZD

36 data points across 19 retailers

21 retailers$366 NZD to $3,146 NZD

A
Cheapest Retailer
-
$366 NZD
$206 USD
A
Retailer 2
-
$409 NZD
$230 USD
View
Final sale: no returns
A
Retailer 3
-
$425 NZD
$239 USD
View
A
Retailer 4
-
$453 NZD
$255 USD
View
Retailer 5
-
$459 NZD
$258 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$523 NZD
HK$2,300 HKD
View
Price last confirmed 59 days ago
B+
Retailer 7
-
$613 NZD
$345 USD
View
A
Retailer 8
-
$767 NZD
€411 EUR
View
A
Retailer 9
-
$786 NZD
ZAR 7,149 ZAR
View
A
Retailer 10
-
$835 NZD
£370 GBP
View
A
Retailer 11
-
$892 NZD
$502 USD
View
A
Retailer 12
-
$1,102 NZD
$620 USD
View
A
Retailer 13
-
$1,119 NZD
A$969 AUD
View
Retailer 14
-
$1,354 NZD
$762 USD
View
Price last confirmed 28 days ago
B+
Retailer 15
-
$1,457 NZD
$820 USD
View
B+
Retailer 16
-
$1,480 NZD
$833 USD
View
B+
Retailer 17
-
$1,553 NZD
$874 USD
View
B+
Retailer 18
-
$1,844 NZD
£817 GBP
View
B
Retailer 19
-
$2,154 NZD
$1,212 USD
View
B
Retailer 20
-
$2,630 NZD
$1,480 USD
View
Most Expensive
B
Brilliant Earth
20880290A · Oct 31
$3,146 NZD
$1,770 USD
View
20 more retailers have this diamond
Prices start from $366 NZDSave up to $2,780 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.28ct Emerald
$366 NZD